Title (en)

DECONTAMINATION OF POLYSTYRENE

Publication

EP 0554379 A4 19930818 (EN)

Application

EP 91920509 A 19911022

Priority

US 60079690 A 19901022

Abstract (en)

[origin: WO9207025A1] A method of decontaminating waste contaminated polystyrene involves dissolving the contaminated product in liquid styrene monomer and recovering the contaminant-free solution.

IPC 1-7

C08J 11/08; C08J 11/04

IPC 8 full level

B09B 3/00 (2006.01); C08J 11/08 (2006.01)

CPC (source: EP KR)

C08J 11/08 (2013.01 - EP KR); C08J 2325/06 (2013.01 - EP); Y02W 30/62 (2015.05 - EP)

Citation (search report)

• [X] GB 1454302 A 19761103 - RUBBER PLASTICS RESEARCH ASS O
• [A] EP 0000513 A1 19790207 - BASF AG [DE]
• [X] DATABASE WPI Derwent Publications Ltd., London, GB; AN 75-24881WÄ15Ü & JP-A-49 090 376 (JAPAN STEEL WORKS LTD.) 29 August 1974
• [A] DATABASE WPI Derwent Publications Ltd., London, GB; AN 78-31354AÄ17Ü & JP-A-53 029 370 (NIPPON POLYESTER KK.) 18 March 1978
• [A] DATABASE WPI Derwent Publications Ltd., London, GB; AN 78-18440AÄ10Ü & JP-A-53 007 770 (NIPPON POLYESTER KK.) 24 January 1978
• See references of WO 9207025A1

Designated contracting state (EPC)

BE DE FR GB IT NL

DOCDB simple family (publication)

WO 9207025 A1 19920430; EP 0554379 A1 19930811; EP 0554379 A4 19930818; JP H06502446 A 19940317; KR 930702432 A 19930909

DOCDB simple family (application)

US 9107820 W 19911022; EP 91920509 A 19911022; JP 50078191 A 19911022; KR 930701185 A 19930421